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+3.3V Supply TIA/EIA - 232 3X5 Driver/Receiver
National Semiconductor

The DS14C335 is three driver, five receiver device which conforms to TIA/EIA-232-E and CCITT V.28 standard specifications. This device employs an internal DC-DC converter to generate the necessary output levels from a +3.3V power supply. A SHUTDOWN (SD) mode reduces the supply current to 10 ?A maximum. In the SD mode, one receiver is active, allowing ring indicator (RI) to be monitored. PC Board space consumption is minimized by the availability of Shrink Small Outline Packaging (SSOP). This device's low power requirement and small footprint makes it an ideal choice for Laptop and Notebook applications.

???Conforms to TIA/EIA-232-E and CCITT V.28 specifications
???Operates with single +3.3V power supply
???Low power requirement-ICC 20 mA maximum
???SHUTDOWN mode-ICX 10 ?A maximum
???One Receiver (R5) active during SHUTDOWN
???Operates up to 128 kbps-Lap-Link? Compatible
???Flow through pinout
???4V/?s minimum Slew Rate guaranteed
???Inter-operates with +5V UARTs
???Available in 28-lead SSOP EIAJ Type II package

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